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Speech Enhancement Using Multiple Soft Constrained Beamformers and Non-coherent Technique
Responsible organisation
2003 (English)Conference paper, Published paper (Refereed) Published
Abstract [en]

This paper presents a new robust microphone array processing technique to enhance speech signals under the influence of noise and jammer(s). The new structure comprises two soft constrained subband beamformers and a non-coherent processing technique. Essentially, the first beamformer enhances the desired speech signal in a specified constrained region. The residual interference in the beamformer's output is then spectral subtracted using the estimated interference from the second beamformer. Evaluations in a real office environment show higher interference suppression compared to those obtained using the soft constrained beamformer only. Most importantly, this is achieved with negligible expense on target signal distortion.

Place, publisher, year, edition, pages
Hong Kong: IEEE , 2003.
Keywords [en]
Speech enhancement, beamforming
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:bth-10183Local ID: oai:bth.se:forskinfo265CAA55101416A8C1256D9C0054095DISBN: 0-7803-7663-3 (print)OAI: oai:DiVA.org:bth-10183DiVA, id: diva2:838254
Conference
IEEE International Conference on Acoustics, Speech and Signal Processing
Available from: 2012-09-18 Created: 2003-09-09 Last updated: 2015-06-30Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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